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Nearly two-thirds of Iowa schools did not meet annual federal performance goals this year, according to a report released Tuesday by the Iowa Department of Education.

State officials said they expect more schools will be added to the list in 2014 when a federal law - No Child Left Behind - will require 100 percent of students to be proficient in math and reading. Schools that don't meet the goal face stiff penalties, including mandates to replace staff or a takeover by a state or contracted private education firm.